It happened again in much simpler case (no slony or deadlock message
involved... no slony at all on the database).
The same error
DBD::Pg::db selectall_arrayref failed: ERROR: cannot extract system
attribute from virtual tuple
CONTEXT: PL/pgSQL function "__clear_table_tail" line 50 at FOR over
E
Tom Lane wrote:
> "Grant Hutchins and Peter Jaros" writes:
> > The unaccent(text) function supplied by contrib/unaccent is marked VOLATILE.
> > This prevents it from being used in indexes. We believe that the function
> > meets the requirements to be marked IMMUTABLE.
>
> No, it most certainly do
